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Finding the Fourth Proportional to 224.68, 336.66 and 152.56

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Solution

The fourth proportional to 224.68, 336.66 and 152.56 is: 228.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.68 : 336.66 = 152.56 : x
  2. Step 2: Convert to fraction form
    224.68/336.66 = 152.56/x
  3. Step 3: Cross multiply
    224.68x = 336.66 × 152.56
  4. Step 4: Simplify right side
    224.68x = 51,360.85
  5. Step 5: Solve for x
    x = 51,360.85/224.68
  6. Step 6: Final answer
    x = 228.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.